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3 years ago

What is an equation in slope-intercept form of the line that passes through the points (−2, −2) and (1, 7)?

Mathematics

2 answers:

Setler79 [48]3 years ago

7 0

Your answer could be b or d but I think it is b using the equation y=mx +b

Nana76 [90]3 years ago

5 0

B) since you can use rise over run? 9/3 is 3 so the slope is 3x, but then you plug in one of the points to find the y intercept. I would use (1,7) for simplicity. It would be B

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What is the solution to the equation below? Round your answer to two decimal places? (apex) 5+8*In x=15.8

Sliva [168]

Option A : $x=3.86$ is the solution of the equation.

Explanation:

The equation is $5+8 \ln x=15.8$

To determine the value of x, let us simplify the equation.

Subtracting 5 from both sides of the equation, we have,

$5+\ 8 \ ln \ x-5=15.8-5$

Simplifying, we get,

$8 \ ln \ x= 10.8$

Now , dividing both sides of the equation by 8, we get,

$\ ln \ x=1.35$

Using the logarithmic definition that if $\log _{a}(b)=c$ then $b=a^{c}$

Thus, rewriting the above expression $\ ln \ x=1.35$ using the logarithmic definition, we have,

$\ln \ x =1.35$ ⇒ $x=e^{1.35}$

Substituting the value of $e^{1.35}$=3.85742...$ , we get,

$x=3.85742 \ldots$

Rounding off the answer to two decimal places, we get,

$x=3.86$

Hence, the solution of the equation is $x=3.86$

Therefore, Option A is the correct answer.

8 0

2 years ago

What is the surface area of a piece of pipe that is open at both ends, has a radius of 6 inches, and a height of 18 inches? (Use

Ratling [72]

i hope this helps you

7 0

3 years ago

How many x -intercepts does the parabola whose function is f(x)=3 x 2 +4x+4

artcher [175]

Answer:

They are none x- intercepts on the parabola. To find the x-intercept, substitute in 0 for y and solve for x.

3 0

3 years ago

Read 2 more answers

Determine whether the relation is a function: {(6, 1), (8, –3), (6, 7)}.

ICE Princess25 [194]

Hello there! The answer would be the first one, or No. At least one output results in two inputs.

When dealing with functions: you must remember that x does not repeat. So, lets look at the relation given, {(6, 1), (8, –3), (6, 7)}. You can see that x does repeat, so this is not a function. This eliminates second and fourth option choices. Out of the options A and C, A would be your choice since x is the input value and y is the output value, and there are two input values.

Hope his helps and have a great day!

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3 years ago

Select the correct answer

White raven [17]

Answer:

Step-by-step explanation:

5 0

3 years ago